Paperboard carton



FIG. 1 is a top perspective view of a paperboard carton showing my new design;

FIG. 2 is front elevational view;

FIG. 3 is a side elevational view the opposite side being the same in appearance;

FIG. 4 is a top plan view;

FIG. 5 is a rear elevational view showing the end opposite that seen in FIG. 2;

FIG. 6 is a bottom plan view; and

FIG. 7 is a view similar to FIG. 1 showing the paperboard carton in an open condition. 

The ornamental design for a paperboard carton, substantially as shown and described. 